enough这个词怎么用呀?知道的可以给我讲解一下吗?

enough这个词怎么用呀?知道的可以给我讲解一下吗?
enough这个词怎么用呀?知道的可以给我讲解一下吗?

enough这个词怎么用呀?知道的可以给我讲解一下吗?
在英语中,Enough一词使用频率之高是人人皆知的,它的基本意思是“充分的,足够的,充分的”,它既可作形容词、副词用,也可作代词用.但是,当它以不同的面貌出现时,其结构和位置的变化是比较复杂的,这一点无疑对我们初学者带来了麻烦.现做简单的讲解.
一、 作形容词
Ⅰ、 作定语时,既可修饰可数名词,也可修饰不可数名词.
(1) Are there enough seats for ten persons?
有没有足够十人的座位?
（2）We have enough food for a week.
我们有足够维持一周的食物.
有时也可以将enough放在被修饰名词的后面,例如：
I don’t have wine enough (=enough wine) for five persons.
我的酒不够5个人喝.
Ⅱ、 作表语
A‚只有当主语是代词数词和“数词+名词”时,enough才可作表语用,如果主语是名词,enough便不能作表语用了,如：
(1) That’s enough.. Thank you. 够了,谢谢.
(2) Five is enough. 五个够了.
(3) Will 12 apples be enough? 十二个苹果够不够?
试比较以下句子
① The beer isn’t enough.
There isn’t enough beer.啤酒不够
② Was the time enough?
Did you have enough time? 时间够吗?
B,如果enough之后跟其它修饰语(如不定式或for短语时),前面的主语不受限制.如：
（1）The time is enough to finish it.(=There is enough time to finish it)
有足够的时间完成这一工作.
（2）The food is enough for us two.(=There is enough food for us two)
有足够我们俩吃的食物.
二、 作代词,充当主语、宾语
（1）Enough has been said on this subject
关于这个问题说得已经够多的了.
（2）-Do you need some more materials? 你们还需要材料?
-No, thanks. Enough have been supplied for us. 不要了,谢谢!我们已经够了.
（3）I have enough to do today.
今天我有足够多的事要做.
三、 作副词
Ⅰ、修饰形容词和副词,且必须放在它们之后,如：
（1）This room is large enough for us to sleep in.
这个房间足够大,我们可以睡.(不可说enough large)
(2 ) He knows the situation well enough.
对他情况了解得非常清楚.（不可说enough well”）
Ⅱ、修饰动词.常用于句型Can’t/can never do … enough中表示“无论怎么做都不为过”,如：
（1）I can never thank you enough.
我对你感激不尽.
(2 ) He is such a good engineer that we can not praise him enough.
他是个很好的工程师,我们再称赞他也不为过.
四、 当enough和另一形容词同时修饰一个名词时,有两种不同的位置.
Ⅰ、enough放在形容词之后,此时,enough修饰形容词时,结构为“adj.+ enough+名词”, 表示“足够…的…”, 如：
（1）a large enough room一间足够大的房间
(2) a deep enough well 一口足够深的井
(3) I don’t have big enough nails to mend the cupboard.我没有足够大的钉子修理柜子.
Ⅱ、enough放在形容词之前,此时,enough修饰名词,结构为“enough+adj.+名词 ”,表示“足够多的…”,如：
(1) enough large room 足够大的房间
(2) enough deep well 足够深的井
(3)I don’t have enough big nails to mend the cupboard 我没有足够大的钉子修理柜子.
五、 与介词of构成短语enough of,使用时,须遵守如下规律：
1、enough of+既定词+名词（其中既定词为冠词,物主代词或指示代词）
2、enough of+代词
（1）Is there enough of the blue material?(=Is there enough blue material?)
有足够的蓝色料子吗?
（2）I’ve had enough of your complaints.(=I’ve had enough complaints from you)
你的抱怨我已经听够了.
六、 enough之后跟介词短语”for sb”和不定式 “for sb to do sth”, 如：
（1）He was lucky enough to succeed in his first attempt.
他够幸运的了,第一次尝试就成功了.
（2）He spoke slowly enough for everyone to understand.
他说话慢得每个人都能听懂.
（3）There isn’t enough ice cream for all the children.
冰淇淋不够分给所有的小孩.
七、 enough不能与no构成否定句,只能借助not以及其他否定词,如:
(1)We have not enough glasses for everyone.(不能说成no enough glasses)
我们的杯子不够分给每个人.
（2）We had hardly enough food to go around at the picnic.(不能说成no enough food)
我们的食物刚够分给参加野餐的人.
（3）He has barely enough money to live on.(不能说成no enough money)
他的钱仅够维持生活.
八、 常用于句型“Would you be kind/good enough to do sth?” 表示礼貌的请求,如：
（1）Would you be kind enough to let us know the date of your arrival?
请你把到达的日期告诉我们好吗?
（2）Would you be good enough to open a window?
请打开一扇窗户好吗?
主要参考书目
1、《贺氏英文法全书》贺立民编著,1995年,中国科学技术出版社
2、《英语用法指导》Michael Swan原著,1982年,外语教学与研究出版社

enough的用法
1）用作代词：作主语或宾语。如：
1. Enough has been said on this subject. 关于这个问题我说得够多的了。
2. You have done more than enough. 你已做得够多了。
3. I have had enough. Thank you. 我吃的已经够多的了，谢谢。
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enough的用法
1）用作代词：作主语或宾语。如：
1. Enough has been said on this subject. 关于这个问题我说得够多的了。
2. You have done more than enough. 你已做得够多了。
3. I have had enough. Thank you. 我吃的已经够多的了，谢谢。
2）形容词作定语：enough用在名词前、后都可以。又如：
4. I have enough time to do the work. / I have time enough to do the work. 我有足够的时间做此项工作。
3）用作副词修饰形容词或副词表示程度：enough一般放在形容词或副词的后边。如：long enough, easy enough, fast enough, quickly enough等。但一般不说：
enough long, enough easy, enough fast, enough quickly.
5. The boy is old enough to do to school. 这孩子到上学的年龄了。
6. He couldn’t run quickly enough to catch up with the cat. 他跑的速度太慢，追不上猫。
4）用作副词修饰动词时也需放在动词之后。如：
7. The meat is not cooked enough. 肉炖得不够熟Tolerably; rather:
8. 尚可；相当：
She sang well enough, but the show was a failure.
她演唱得算好的了，但演出却是个失败
interj.（感叹词）
Used to express impatience or exasperation:
用以表达不耐烦或恼怒：
You've been practicing the violin all afternoon. Enough!
你整个下午都在练小提琴。够了！

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副词,多起修饰作用
修饰名词时,放在名词之前,如"enough money"
修饰形容词时,放在形容词之后,如"big enough"
基本的用法就是这样的
具体的使用方法要看具体的语境